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A +4.0- μC charge is placed on the x axis at x = +3.0 m, and a −2.0- μC charge is located on the y axis at y = −1.0 m. Point A is on the y axis at y = +4.0 m. Determine the electric potential at point A (relative to zero at the origin).
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A +4.0- μC charge is placed on the x axis at x = +3.0 m, and a −2.0- μC charge is located on the y a...